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Harry Flood Byrd Bridge [01]
![Harry Flood Byrd Bridge [01]](../../../../i/upload/2024/07/15/20240715141208-c2ad5724-cu_s9999x250.jpg "Harry Flood Byrd Bridge [01] (2720 visits) Pedestrian level on the Harry Flood Byrd Memorial Bridge, which carries the Blue Ridge Parkway at mi...")
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Harry Flood Byrd Bridge [02]
![Harry Flood Byrd Bridge [02]](../../../../i/upload/2024/07/15/20240715141217-32eb9437-cu_s9999x250.jpg "Harry Flood Byrd Bridge [02] (2702 visits) Pedestrian level on the Harry Flood Byrd Memorial Bridge, which carries the Blue Ridge Parkway at mi...")
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Western portal of Blue Mountain Tunnel
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Short section of track in cages
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Largo interlocking
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Tunnel portal outside Addison Road station
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Metro D Route pocket track [02]
![Metro D Route pocket track [02]](../../../../i/upload/2024/07/15/20240715141423-2fe25243-cu_s9999x250.jpg "Metro D Route pocket track [02] (2974 visits) D Route pocket track on the Washington Metro system, showing the interlockings and the signal. This ...")
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Amtrak 120 arriving at Cumberland
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Whale
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Blue Bridge [01]
![Blue Bridge [01]](../../../../i/upload/2024/07/19/20240719185530-7631a8d7-cu_s9999x250.jpg "Blue Bridge [01] (1202 visits) The Blue Bridge, carrying Johnson Street traffic over the North Branch of the Potomac River between ...")
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Blue Bridge [02]
![Blue Bridge [02]](../../../../i/upload/2024/07/19/20240719185547-aec5ac93-cu_s9999x250.jpg "Blue Bridge [02] (1243 visits) The Blue Bridge, carrying Johnson Street traffic over the North Branch of the Potomac River between ...")